However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Bactrim belongs to the Sulfa drug category. It is considered an anti-bacterial agent. As an antibiotic for kidney infection, it works by reducing the amount of bacteria in the urinary system. Bactrim may cause flu like symptoms including nausea, vomiting, change in bowels and headaches. Similarly, dizziness, muscle fatigue, mood changes and effects similar to low blood sugar may occur.